Mercury Public Affairs

300 Tingey St SE
Washington DC 20003

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Opening Hours

  • Mon: 9am-5pm
  • Tue: 9am-5pm
  • Wed: 9am-5pm
  • Thu: 9am-5pm
  • Fri: 9am-5pm

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Clark & Weinstock is a consulting firm that specializes in reputation and crisis management, regulatory issues, mergers and acquisitions, public affairs, government and financial relations, and investment community relations. Clark & Weinstock is part of Omnicom Group, a strategic holding company that manages a portfolio of companies worldwide. Its companies operate in the disciplines of advertising, marketing services, specialty communications, interactive and digital media, and media buying services. The firm has three globally known brands BBDO Worldwide, DDB Worldwide and TBWA Worldwide. Its leading United States based advertising agencies include Arnell Group; Goodby, Silverstein & Partners; GSD&M; Martin/Williams; Merkley + Newman; Harty Partners; and Zimmerman Partners. Omnicom s leading media agencies are part of OMG and the group consists of two media companies, OMD Worldwide and PHD Network, as well as several media specialist companies. Clark & Weinstock maintains offices in New York.